Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
Decibelmeter
Understanding the Odd One Out Question
In this question, we are given four words: Udometer, Decibelmeter, Ombrometer, and Pluviometer. We need to identify the word that is different from the other three in some way.
Analysing Each Term
Let's look at the meaning of each word:
- Udometer: An instrument used to measure the amount of rainfall.
- Decibelmeter: An instrument used to measure the intensity or loudness of sound, expressed in decibels.
- Ombrometer: Another term for an instrument used to measure precipitation, typically rainfall. It is a synonym for rain gauge.
- Pluviometer: Yet another term for a rain gauge, an instrument used to measure the amount of rainfall.
Identifying the Relationship
Upon reviewing the definitions, we can see a pattern:
- Udometer measures rainfall.
- Ombrometer measures rainfall (precipitation).
- Pluviometer measures rainfall.
These three instruments are all related to measuring rainfall or precipitation.
In contrast, a Decibelmeter measures sound intensity, which is completely different from measuring rainfall.
Determining the Odd Word
Based on the analysis, Udometer, Ombrometer, and Pluviometer are instruments for measuring rainfall. Decibelmeter is an instrument for measuring sound. Therefore, the Decibelmeter is the word that is different from the others.
The odd one out is the Decibelmeter because it measures sound intensity, while the other three terms refer to instruments that measure rainfall.
Revision Table: Rainfall Measurement Instruments
| Instrument Name | What it Measures | Relationship to Rainfall |
|---|---|---|
| Udometer | Rainfall amount | Measures rainfall |
| Decibelmeter | Sound intensity (Decibels) | Does not measure rainfall |
| Ombrometer | Rainfall / Precipitation | Measures rainfall |
| Pluviometer | Rainfall amount | Measures rainfall |
Additional Information: Types of Measuring Instruments
Measuring instruments are devices used to quantify physical quantities. They are essential in various fields like science, engineering, and daily life. Instruments are categorised based on the quantity they measure.
- Meteorological Instruments: These measure weather-related phenomena. Examples include rain gauges (like Udometer, Ombrometer, Pluviometer), thermometers (temperature), barometers (atmospheric pressure), anemometers (wind speed), etc.
- Acoustic Instruments: These measure properties of sound. A Decibelmeter is a common example, measuring sound pressure levels or intensity. Other acoustic instruments include spectrum analysers and sound level meters.
- Electrical Instruments: Measure electrical properties like voltage (voltmeter), current (ammeter), resistance (ohmmeter), etc.
- Mechanical Instruments: Measure mechanical properties like force (dynamometer), distance (ruler, measuring tape), mass (scale), etc.
Understanding the function of different measuring instruments helps in classifying them and identifying relationships, as seen in this odd-one-out problem.
Important Questions from General Knowledge Based
Select the option that is related to the third word in the same way as the second word is related to the first word.
Dermatologist : Skin : Neonatologist : ?
Select the option in which the words share the same relationship as that shared by the given pair of words.
Horses : Neigh
Select the option in which the words share the same relationship as that shared by the given pair of words.
Raj Ghat : Mahatma Gandhi
Given below are four words out of which three are alike in a certain context and one of them is inconsistent. Select the corresponding word.
Four words have been given, out of which three are alike in some manner and one is different. Select the word that is different.
